1. Price: The price of houses in Shangqiu Greenland is relatively high, and the competitiveness in the market is not high enough.

2. Geographical location: The geographical location of the house in Shangqiu Greenland may not be ideal and cannot meet the needs of customers.

3. Housing quality: There may be problems in the construction quality or design of the house in Shangqiu Greenland, which makes customers reluctant to buy it.